Finishing Touch of Kentucky Small Horseshoe Birthstone Silver Finish Earring. Features hypoallergenic posts. Avaliable in all 12 birthstones (Jan/Garnet; Feb/Amethyst; Mar/Aquamarine; Apr/Crystal; May/Emerald; Jun/Lt. Amethyst; Jul/Ruby; Aug/Peridot; Sep/Sapphire; Oct/Rose; Nov/Topaz; Dec/Lt.Sapphire)